Most ad blockers—and there are so, so many of them now—operate roughly the same way, comparing the scripts they encounter on a given site to their whitelist and block list letting the former run and stopping the others. This means they largely share the same drawback, as well; they can’t block what they’ve never seen before. With its latest release, popular ad blocker Ghostery attempts to solve that common dilemma, with a fashionable solution: artificial intelligence.